Nonvolatile

Full definition of nonvolatile

Adjective

1. Not volatile (in any sense).The chemical is nonvolatile so it will not evaporate.His nonvolatile demeanor was tested by the constant pestering.The hard drive is nonvolatile, but the RAM is volatile.A nonvolatile variable may misbehave if accessed from multiple threads at once.

Antonyms

• volatile